Intoolhub Blog
Guides, tutorials, and tips for developers and productivity tools.
Unix Timestamps Explained — Working with Dates in Web Development
Unix timestamps are the universal language of dates in software. Learn what they are, how to convert them, and how to avoid the most common time zone pitfalls.
A Practical Guide to Regular Expressions for Developers
Regular expressions are one of the most powerful — and most feared — tools in a developer's arsenal. This practical guide demystifies regex with real-world examples.
Generating Strong Passwords — Best Practices for 2025
Weak passwords are still the leading cause of account breaches. Learn what makes a password strong, how random password generators work, and how to manage them safely.
Base64 Encoding and Decoding — A Practical Developer Guide
Base64 is everywhere in web development — from embedding images in CSS to passing data in JWTs. This guide explains how it works and when to use it.
How to Format and Validate JSON Online — A Developer Guide
JSON is everywhere in modern development. Learn how to quickly format, validate, and minify JSON directly in your browser — no tools to install.